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Is dual voltage neccessary

Hello,

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@ancientwarrior

depends on what you want to comment, share your ideas and opinions on. Start here and see what the community thinks.

Update (07/21/2018)

@ancientwarrior

I recognize your user ID from a couple of questions regarding voltages of equipment you purchase in the USA but use in other countries. As you already know, there is nothing we can do about what voltages specific countries are using ;-) Most devices that have come out in the last few years no longer require the bulky power supplies due to the miniaturization  of componets etc. Those devices usually come with a power brick that powers the device. Easy enough to use that device with other voltages. Simply change the brick to the local input voltage but leaving the output voltage as required by the device. For example, it does not matter if you use a 110V 3Amp power brick or a 240V 3Amp power brick for as long as the output (size of connector and polarity of the connector as well) is the same.Larger devices are most commonly using dual voltage power supplies (i.e. TV’s etc.)This saves the manufacturers money since they no longer need to build/puchase power supplies based on the market where they want to sell.

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You don’t need it if you stay in countries that use the same voltage as your current one. (pun intended) But if you travel internationally you will need it.

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Most computers are dual voltage. As an example a power saw or drill are often not dual voltage.

I do recommend it you are planing on jumping around different countries which have different voltages to make sure the devices you bring are dual voltage.

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